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Curvature potential unveiled topological defect attractors
ID
Mesarec, Luka
(
Author
),
ID
Iglič, Aleš
(
Author
),
ID
Kralj-Iglič, Veronika
(
Author
),
ID
Góźdź, Wojciech
(
Author
),
ID
Virga, Epifanio Giovanni
(
Author
),
ID
Kralj, Samo
(
Author
)
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https://www.mdpi.com/2073-4352/11/5/539
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Abstract
We consider the theoretical and positional assembling of topological defects (TDs) in effectively two-dimensional nematic liquid crystal films. We use a phenomenological Helfrich– Landau–de Gennes-type mesoscopic model in which geometric shapes and nematic orientational order are expressed in terms of a curvature tensor field and a nematic tensor order parameter field. Extrinsic, intrinsic, and total curvature potentials are introduced using the parallel transport concept. These potentials reveal curvature seeded TD attractors. To test ground configurations, we used axially symmetric nematic films exhibiting spherical topology.
Language:
English
Keywords:
topological defects
,
nematic liquid crystals
,
nematic shells
,
geometric potentials
,
curvature
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FE - Faculty of Electrical Engineering
ZF - Faculty of Health Sciences
Publication status:
Published
Publication version:
Version of Record
Year:
2021
Number of pages:
16 str.
Numbering:
Vol. 11, iss. 5, art. 539
PID:
20.500.12556/RUL-135428
UDC:
548/549
ISSN on article:
2073-4352
DOI:
10.3390/cryst11050539
COBISS.SI-ID:
63076611
Publication date in RUL:
14.03.2022
Views:
1223
Downloads:
139
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Record is a part of a journal
Title:
Crystals
Shortened title:
Crystals
Publisher:
MDPI
ISSN:
2073-4352
COBISS.SI-ID:
36677893
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:
12.05.2021
Secondary language
Language:
Slovenian
Keywords:
topološki defekti
,
nematski tekoči kristali
,
nematične lupine
,
geometrijski potenciali
,
ukrivljenost
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P1-0099
Name:
Fizika mehkih snovi, površin in nanostruktur
Funder:
ARRS - Slovenian Research Agency
Project number:
J1-2457
Name:
Fazni prehodi proti koordinaciji v večplastnih omrežjih
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0232
Name:
Funkcije in tehnologije kompleksnih sistemov
Funder:
EC - European Commission
Funding programme:
H2020
Project number:
801338
Name:
Extracellular vesicles from a natural source for tailor-made nanomaterials
Acronym:
VES4US
Funder:
Other - Other funder or multiple funders
Funding programme:
NCN
Project number:
2018/30/Q/ST3/00434
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